autoroute announce

R0(config-if)#tunnel mpls traffic-eng autoroute announce

This command is to make the head-end LSR to insert IP destinations into the routing table with tunnel interface as next-hop or outgoing interface.

<Before this command applied>

show ip route
3.0.0.0/32 is subnetted, 1 subnets
O       3.3.3.3 [110/12] via 12.1.1.2, 00:25:43, FastEthernet0/1

<After appling this command>

show ip route

3.0.0.0/32 is subnetted, 1 subnets

O       3.3.3.3 [110/12] via 0.0.0.0, 00:00:02, Tunnel3

R0#show ip route 3.3.3.3
Routing entry for 3.3.3.3/32
Known via “ospf 1, distance 110, metric 12, type intra area
Routing Descriptor Blocks:
* directly connected, via Tunnel3
Route metric is 12, traffic share count is 1

R0#

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